Influence of amount of exposed fabric on thrombotic complications of aortic ball valves in the calf.
D000818:Animals; D001021:Aortic Valve; D002417:Cattle; D006350:Heart Valve Prosthesis / Q000009:adverse effects*; D011182:Postoperative Care; D013784:Textiles; D013923:Thromboembolism / Q000150:complications*